That diagram is not wrong, for sure!
Could they put you out for the removal? No needle (that you know about cuz you're asleep during) near your face that way. That's what I did, and had all 4 wisdoms and two other teeth taken at once, it was worth it for the relief once the swelling went down.
28 years old, insurance broker
starting weight 195 lbs (5'4")
working on losing weight, getting active, and curing my GERD